Senior politicians are asking why a private security firm has been unable to recruit enough staff to man checkpoints at the Olympic venues. An inspection of checks on passengers arriving at Heathrow says improvements have been made, but not enough. And also on today's programme, is it possible to have a successful camping trip in the rain?

0745 It is 50 years since the Rolling Stones first played together in public and to mark their half century they have put together an exhibition of rare photographs detailing their history. The BBC's Arts Editor Will Gompertz went to meet two of the Stones in the gallery at Somerset House in London.

0749 Thought for the day with the Reverend Joel Edwards, International Director of Micah Challenge.

0752 A two day-forum starts today hosted by the University of Oxford's Smith School of Enterprise and Environment which will be discussing how the world can cope with increasing scarcity of food, water and energy. Sir David King, the co-director of the conference and former chief scientific advisor to the government, explains the aim of the conference.

0833 Alexandra Jones, chief executive of the Centre for Cities and the leader of Bradford Council David Green, discuss what it takes to keep a city strong and vibrant over time.

0838 Business news with Simon Jack.

0841 How do we protect our rivers and canals? The chief executive of a new charity called the Canal and River Trust, Robin Evans, explains how getting local communities in on the action could be the answer.

0844 For 80 years Bush House has been home to the BBC World Service, but the BBC's lease has now expired and the Bush House studios will broadcast their final news bulletin today. Philippa Thomas reports.

0852 Research into neurogastroenterology has made discoveries into the links between personality and pain which could lead to different ways to treat common gut disorders. Science reporter Michael Mosley put his body on the line for a new documentary airing tonight on BBC Four called "The Gut - the Strange and Mysterious World of the Stomach".

0855 Prince Charles should not succeed the Queen as head of the commonwealth, according to a new report by the Commonwealth Advisory Bureau. Daisy Cooper, one of the report's authors, and Richard Fitzwilliams, royal and social commentator, debate the issue.

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